/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import * as arkts from '@koalaui/libarkts';

import { AbstractVisitor } from '../common/abstract-visitor';

import { debugLog } from '../common/debug';

export class EmitTransformer extends AbstractVisitor {
    constructor(private options?: interop.EmitTransformerOptions) {
        super();
    }

    processComponent(node: arkts.ClassDeclaration): arkts.ClassDeclaration {
        const className = node.definition?.ident?.name;
        if (!className) {
            throw 'Non Empty className expected for Component';
        }

        const newDefinition = arkts.factory.updateClassDefinition(
            node.definition,
            node.definition?.ident,
            undefined,
            undefined,
            node.definition?.implements,
            undefined,
            undefined,
            node.definition?.body,
            node.definition?.modifiers,
            arkts.classDefinitionFlags(node.definition) | arkts.Es2pandaModifierFlags.MODIFIER_FLAGS_NONE
        );

        let newDec: arkts.ClassDeclaration = arkts.factory.updateClassDeclaration(node, newDefinition);

        debugLog(`DeclTransformer:checked:struct_ast:${newDefinition.dumpJson()}`);
        newDec.modifiers = node.modifiers;
        return newDec;
    }

    visitor(beforeChildren: arkts.AstNode): arkts.AstNode {
        const node = this.visitEachChild(beforeChildren);
        if (arkts.isClassDeclaration(node) && arkts.classDefinitionIsFromStructConst(node.definition!)) {
            return this.processComponent(node);
        }
        return node;
    }
}
